/*
 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef OPENSSL_STACK_H
#define OPENSSL_STACK_H
#pragma once

#include <openssl/macros.h>
#ifndef OPENSSL_NO_DEPRECATED_3_0
#define HEADER_STACK_H
#endif

#ifdef __cplusplus
extern "C"
{
#endif

    typedef struct stack_st OPENSSL_STACK; /* Use STACK_OF(...) instead */

    typedef int (*OPENSSL_sk_compfunc)(const void*, const void*);
    typedef void (*OPENSSL_sk_freefunc)(void*);
    typedef void* (*OPENSSL_sk_copyfunc)(const void*);

    int OPENSSL_sk_num(const OPENSSL_STACK*);
    void* OPENSSL_sk_value(const OPENSSL_STACK*, int);

    void* OPENSSL_sk_set(OPENSSL_STACK* st, int i, const void* data);

    OPENSSL_STACK* OPENSSL_sk_new(OPENSSL_sk_compfunc cmp);
    OPENSSL_STACK* OPENSSL_sk_new_null(void);
    OPENSSL_STACK* OPENSSL_sk_new_reserve(OPENSSL_sk_compfunc c, int n);
    int OPENSSL_sk_reserve(OPENSSL_STACK* st, int n);
    void OPENSSL_sk_free(OPENSSL_STACK*);
    void OPENSSL_sk_pop_free(OPENSSL_STACK* st, void (*func)(void*));
    OPENSSL_STACK* OPENSSL_sk_deep_copy(const OPENSSL_STACK*, OPENSSL_sk_copyfunc c, OPENSSL_sk_freefunc f);
    int OPENSSL_sk_insert(OPENSSL_STACK* sk, const void* data, int where);
    void* OPENSSL_sk_delete(OPENSSL_STACK* st, int loc);
    void* OPENSSL_sk_delete_ptr(OPENSSL_STACK* st, const void* p);
    int OPENSSL_sk_find(OPENSSL_STACK* st, const void* data);
    int OPENSSL_sk_find_ex(OPENSSL_STACK* st, const void* data);
    int OPENSSL_sk_find_all(OPENSSL_STACK* st, const void* data, int* pnum);
    int OPENSSL_sk_push(OPENSSL_STACK* st, const void* data);
    int OPENSSL_sk_unshift(OPENSSL_STACK* st, const void* data);
    void* OPENSSL_sk_shift(OPENSSL_STACK* st);
    void* OPENSSL_sk_pop(OPENSSL_STACK* st);
    void OPENSSL_sk_zero(OPENSSL_STACK* st);
    OPENSSL_sk_compfunc OPENSSL_sk_set_cmp_func(OPENSSL_STACK* sk, OPENSSL_sk_compfunc cmp);
    OPENSSL_STACK* OPENSSL_sk_dup(const OPENSSL_STACK* st);
    void OPENSSL_sk_sort(OPENSSL_STACK* st);
    int OPENSSL_sk_is_sorted(const OPENSSL_STACK* st);

#ifndef OPENSSL_NO_DEPRECATED_1_1_0
#define _STACK OPENSSL_STACK
#define sk_num OPENSSL_sk_num
#define sk_value OPENSSL_sk_value
#define sk_set OPENSSL_sk_set
#define sk_new OPENSSL_sk_new
#define sk_new_null OPENSSL_sk_new_null
#define sk_free OPENSSL_sk_free
#define sk_pop_free OPENSSL_sk_pop_free
#define sk_deep_copy OPENSSL_sk_deep_copy
#define sk_insert OPENSSL_sk_insert
#define sk_delete OPENSSL_sk_delete
#define sk_delete_ptr OPENSSL_sk_delete_ptr
#define sk_find OPENSSL_sk_find
#define sk_find_ex OPENSSL_sk_find_ex
#define sk_push OPENSSL_sk_push
#define sk_unshift OPENSSL_sk_unshift
#define sk_shift OPENSSL_sk_shift
#define sk_pop OPENSSL_sk_pop
#define sk_zero OPENSSL_sk_zero
#define sk_set_cmp_func OPENSSL_sk_set_cmp_func
#define sk_dup OPENSSL_sk_dup
#define sk_sort OPENSSL_sk_sort
#define sk_is_sorted OPENSSL_sk_is_sorted
#endif

#ifdef __cplusplus
}
#endif

#endif